修改gradle版本

build.gradle

@@ -20,8 +20,8 @@ ext {
 // 编译脚本
 buildscript {
     ext {
-        springCloudVersion = "Greenwich.SR2"
-        springBootVersion = "2.1.7.RELEASE"
+        springBootVersion = "2.3.0.RELEASE"
+        springCloudVersion = "Hoxton.SR5"
         nettyAllVersion = '4.1.43.Final'
     }
 
@@ -67,6 +67,7 @@ configurations {
     compile.exclude module: "undertow-websockets-jsr"
     compile.exclude module: "spring-boot-starter-logging"
     compile.exclude module: "slf4j-simple"
+    compile.exclude module: "slf4j-log4j12"
 }
 
 // 依赖管理